From patchwork Wed Jun 1 11:22:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tinghan Shen X-Patchwork-Id: 12866819 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B0F4EC4332F for ; Wed, 1 Jun 2022 11:33:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=S7RDBKE818H2BQwktz42cA29IqxMNsd8YQ006AcLExA=; b=1yhEfdOClrA72C sCdjNFaF8h6OmovUIhd43J7Oe6AqCckxgUcq8jx+/KE2tVIBYYd37tyv1JGZ0kjFFXG46RMlWAnTL OtEsIRy55CAEoM5Y6zDB419L4eBgCd7PnrjQGBhFxb2HreHChfcgK+4z7VqKC1vh6xPGB8w0l715f Tr/cP4VbEj2T44N+3H0Q8yDWryM8i9WedvpFkHG5d1uPtGZYGdJSLoRpAXulzyT9JshxZLb6sFQ2K 8MIrsCprfs//esN5ojWqrg3Txs9zDKSroLBrFCzsOydt9/AIHUpcEvxcvO4jZugZPrQ0SaBhjOtjw ydlmtHj5zIcwxX6RKNSw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nwMaY-00FdKV-Vm; Wed, 01 Jun 2022 11:32:35 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nwMaD-00FdCB-3C; Wed, 01 Jun 2022 11:32:14 +0000 X-UUID: f6d62664d4ae476f89254e58b43d6185-20220601 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.5,REQID:48c3a6a7-c923-414e-8dc4-3212ccd43837,OB:0,LO B:0,IP:0,URL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-META: VersionHash:2a19b09,CLOUDID:98ac8f14-f88c-475e-badf-d9ee54230b8f,C OID:IGNORED,Recheck:0,SF:nil,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil ,QS:0,BEC:nil X-UUID: f6d62664d4ae476f89254e58b43d6185-20220601 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2106799525; Wed, 01 Jun 2022 04:32:08 -0700 Received: from mtkmbs11n1.mediatek.inc (172.21.101.185) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 1 Jun 2022 04:22:08 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.792.3; Wed, 1 Jun 2022 19:22:06 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Wed, 1 Jun 2022 19:22:06 +0800 From: Tinghan Shen To: Bjorn Andersson , Mathieu Poirier , Rob Herring , "Krzysztof Kozlowski" , Matthias Brugger , Lee Jones , Benson Leung , Guenter Roeck , Daisuke Nojiri , Sebastian Reichel , "Dustin L. Howett" , Tzung-Bi Shih , Tinghan Shen , "Gustavo A. R. Silva" , Prashant Malani , "Enric Balletbo i Serra" , Brian Norris CC: , , , , , , , Subject: [PATCH v1 14/15] remoteproc: mediatek: Support rpmsg for SCP core 1 Date: Wed, 1 Jun 2022 19:22:00 +0800 Message-ID: <20220601112201.15510-15-tinghan.shen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220601112201.15510-1-tinghan.shen@mediatek.com> References: <20220601112201.15510-1-tinghan.shen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220601_043213_158425_1CC4167A X-CRM114-Status: GOOD ( 15.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Reuse the rpmsg subdevice flow of SCP core 0 on SCP core 1. Signed-off-by: Tinghan Shen --- drivers/remoteproc/mtk_common.h | 3 +++ drivers/remoteproc/mtk_scp.c | 6 ++++-- drivers/remoteproc/mtk_scp_dual.c | 4 ++++ 3 files changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/mtk_common.h b/drivers/remoteproc/mtk_common.h index 464d013ed6b2..89e2bec0a087 100644 --- a/drivers/remoteproc/mtk_common.h +++ b/drivers/remoteproc/mtk_common.h @@ -185,4 +185,7 @@ void scp_ipi_handler(struct mtk_scp *scp); struct rproc_subdev *scp_dual_create_subdev(struct mtk_scp *scp); void scp_dual_destroy_subdev(struct rproc_subdev *subdev); + +void scp_add_rpmsg_subdev(struct mtk_scp *scp); +void scp_remove_rpmsg_subdev(struct mtk_scp *scp); #endif diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index c7bf0a44ba0d..fbeaa81e914d 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -825,7 +825,7 @@ static struct mtk_rpmsg_info mtk_scp_rpmsg_info = { .ns_ipi_id = SCP_IPI_NS_SERVICE, }; -static void scp_add_rpmsg_subdev(struct mtk_scp *scp) +void scp_add_rpmsg_subdev(struct mtk_scp *scp) { scp->rpmsg_subdev = mtk_rpmsg_create_rproc_subdev(to_platform_device(scp->dev), @@ -833,8 +833,9 @@ static void scp_add_rpmsg_subdev(struct mtk_scp *scp) if (scp->rpmsg_subdev) rproc_add_subdev(scp->rproc, scp->rpmsg_subdev); } +EXPORT_SYMBOL_GPL(scp_add_rpmsg_subdev); -static void scp_remove_rpmsg_subdev(struct mtk_scp *scp) +void scp_remove_rpmsg_subdev(struct mtk_scp *scp) { if (scp->rpmsg_subdev) { rproc_remove_subdev(scp->rproc, scp->rpmsg_subdev); @@ -842,6 +843,7 @@ static void scp_remove_rpmsg_subdev(struct mtk_scp *scp) scp->rpmsg_subdev = NULL; } } +EXPORT_SYMBOL_GPL(scp_remove_rpmsg_subdev); static void scp_add_dual_subdev(struct mtk_scp *scp) { diff --git a/drivers/remoteproc/mtk_scp_dual.c b/drivers/remoteproc/mtk_scp_dual.c index ab62ab54175c..caa57516e083 100644 --- a/drivers/remoteproc/mtk_scp_dual.c +++ b/drivers/remoteproc/mtk_scp_dual.c @@ -249,6 +249,8 @@ static int scp_dual_probe(struct platform_device *pdev) init_waitqueue_head(&scp->run.wq); init_waitqueue_head(&scp->ack_wq); + scp_add_rpmsg_subdev(scp); + ret = devm_request_threaded_irq(dev, platform_get_irq(pdev, 0), NULL, scp_irq_handler, IRQF_ONESHOT, pdev->name, scp); @@ -271,6 +273,7 @@ static int scp_dual_probe(struct platform_device *pdev) return 0; remove_ipi: + scp_remove_rpmsg_subdev(scp); scp_ipi_unregister(scp, SCP_IPI_INIT); release_dev_mem: scp_unmap_memory_region(scp); @@ -286,6 +289,7 @@ static int scp_dual_remove(struct platform_device *pdev) struct mtk_scp *scp = platform_get_drvdata(pdev); int i; + scp_remove_rpmsg_subdev(scp); scp_ipi_unregister(scp, SCP_IPI_INIT); scp_unmap_memory_region(scp); for (i = 0; i < SCP_IPI_MAX; i++)